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Ontario

$165+ Cheap flights from Medford to Ontario (MFR - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
MFR — ONT
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from Medford to Ontario

Cheapest flights from Medford to Ontario
Explore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:11 pm
MFR
-
ONT
1 stop10h 52m
Multiple Airlines
Sun 7/193:40 pm
ONT
-
MFR
1 stop5h 03m
Multiple Airlines
Deal found 6/15$285
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:35 pm
MFR
-
ONT
1 stop4h 16m
Alaska Airlines
Sun 7/57:00 am
ONT
-
MFR
1 stop4h 53m
Alaska Airlines
Deal found 6/12$322
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:35 pm
MFR
-
ONT
1 stop4h 35m
Alaska Airlines
Sat 8/223:07 pm
ONT
-
MFR
1 stop8h 52m
Alaska Airlines
Deal found 6/16$329
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:15 am
MFR
-
ONT
1 stop7h 01m
Delta
Mon 8/246:01 pm
ONT
-
MFR
1 stop5h 22m
Delta
Deal found 6/12$331
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:28 pm
MFR
-
ONT
1 stop5h 17m
Delta
Thu 8/276:20 am
ONT
-
MFR
1 stop6h 33m
Delta
Deal found 6/11$333
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:21 pm
MFR
-
ONT
1 stop5h 22m
Delta
Mon 12/145:05 pm
ONT
-
MFR
1 stop6h 44m
Delta
Deal found 6/12$335
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:33 pm
MFR
-
ONT
1 stop17h 35m
Multiple Airlines
Sun 7/123:40 pm
ONT
-
MFR
1 stop5h 03m
Multiple Airlines
Deal found 6/14$336
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:23 am
MFR
-
ONT
1 stop4h 46m
Multiple Airlines
Fri 9/43:34 pm
ONT
-
MFR
1 stop5h 11m
Multiple Airlines
Deal found 6/15$343
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:28 pm
MFR
-
ONT
1 stop5h 17m
Delta
Mon 8/176:01 pm
ONT
-
MFR
1 stop5h 22m
Delta
Deal found 6/11$366
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:33 pm
MFR
-
ONT
1 stop17h 35m
Multiple Airlines
Mon 7/2011:52 am
ONT
-
MFR
2 stops8h 29m
Multiple Airlines
Deal found 6/14$367
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:35 pm
MFR
-
ONT
1 stop4h 43m
Alaska Airlines
Tue 9/296:02 am
ONT
-
MFR
1 stop6h 55m
Alaska Airlines
Deal found 6/15$369

Find flight deals from Medford to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Medford (MFR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Kiwi.com)

One-way from

$165
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$537
Provider with most accurate pricing for Medford-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Medford-Ontario flights.
Search Deals
From Medford to Ontario
Search Deals
One-way flight from Medford to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Medford to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Medford to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 10/10

6:35 pm-11:45 pm

1 stop5h 10m

Ontario

Wed 10/14

11:13 am-5:58 pm

1 stop6h 45m

$329

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 8/19

12:35 pm-5:10 pm

1 stop4h 35m

Ontario

Sat 8/22

3:07 pm-11:59 pm

1 stop8h 52m

$329

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 8/26

5:15 am-12:16 pm

1 stop7h 01m

Ontario

Mon 8/31

6:01 pm-11:23 pm

1 stop5h 22m

$331

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 8/17

6:28 pm-10:59 pm

1 stop4h 31m

Ontario

Tue 8/25

5:00 am-1:01 pm

1 stop8h 01m

$331

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 8/25

12:20 pm-5:21 pm

1 stop5h 01m

Ontario

Mon 8/31

6:01 pm-11:23 pm

1 stop5h 22m

$331
Quickest round-trip

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 9/9

6:05 am-11:14 am

1 stop5h 09m

Ontario

Mon 9/14

11:44 am-4:47 pm

1 stop5h 03m

$331

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 8/14

6:28 pm-10:59 pm

1 stop4h 31m

Ontario

Mon 8/17

6:08 am-11:54 am

1 stop5h 46m

$333

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 8/20

5:28 pm-10:45 pm

1 stop5h 17m

Ontario

Thu 8/27

6:20 am-12:53 pm

1 stop6h 33m

$333

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 9/17

3:10 pm-8:24 pm

1 stop5h 14m

Ontario

Sun 9/20

7:59 pm-9:52 am

1 stop13h 53m

$335

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 9/26

12:35 pm-5:18 pm

1 stop4h 43m

Ontario

Tue 9/29

6:02 am-12:57 pm

1 stop6h 55m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Medford to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Medford to Ontario in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Medford-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Medford-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Medford-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Medford-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Medford-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Medford to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Medford with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Medford to Ontario

What is the cheapest month to book a flight from Medford to Ontario?

Currently, February is the cheapest month in which you can book a flight from Medford to Ontario (average of $167). Flying from Medford to Ontario in June is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Medford to Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 16, 2026.
See what other customers who have flown with Alaska Airlines and United Airlines from Medford to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,521 reviews

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,521 reviews
Alaska Airlines
7.9
Good
12,521 reviews

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,842 reviews
Alaska Airlines
7.9
Good
12,521 reviews

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Medford to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Medford to Ontario?

    For as low as $329, Alaska Airlines can have you in Ontario from Medford in 5h 10m. Airlines will cover a distance of 641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Medford to Ontario round-trip?

    Our cheapest airline available from Medford to Ontario is Alaska Airlines. Our recent data shows that you can find tickets from as low as $220 on this airline. An additional option worth looking into is United Airlines, starting at $238. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Medford to Ontario that include hotel bookings?

    Yes. In addition to deals on Medford to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Medford to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Medford to Ontario.

  • Can I find deals for business class flights from Medford to Ontario?

    Yes. Cheapflights offers flight deals from Medford to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Medford to Ontario?

    Currently, February is the cheapest month in which you can book a flight from Medford to Ontario (average of $167). Flying from Medford to Ontario in June is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Medford to Ontario

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Top 2 airlines flying from Medford to Ontario

Discover the top 2 airlines that operate flights from Medford to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$220Average$359FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$406FlexibilityNo cancel feeOn-time69%

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